Jul 08, 2002 | SCIENCE
Protecting the Planet: Q&A with Asteroid Hunter David Morrison
(Space.com) - Morrison describes the hunt for objects that could pose a potential threat to Earth.
Jun 04, 2002 | SCIENCE
Stephen Jay Gould Remembered
(SF Chronicle) - Gould argued that evolution proceeds not smoothly, but in fits and starts.
May 17, 2002 | SCIENCE
Age of Dinosaurs Bracketed by Asteroid or Comet Impacts
(Columbia Univ.) - New research bolsters the theory that the age of dinosaurs not only ended with an asteroid or comet impact, but began with one as well.
Oct 31, 2001 | SCIENCE
Invasion of the Deep-sea Microbes
(NASA Astrobiology Institute) - A team of scientists is presently using the deep-sea submersible "Alvin" to monitor how microbes colonize hydrothermal vents.
Sep 06, 2001 | SCIENCE
Asteroid or Comet Caused Earth's Largest Mass Extinction
(Space.com) - Scientists working in China have have unearthed additional evidence that the Permian-Triassic extinction was triggered by an asteroid or comet impact.
Aug 08, 2001 | SCIENCE
Lightning Jumpstarts Evolution
(Nature) - Using laboratory-generated lighting, researchers have caused bacteria in soil to trade DNA with each other.
Oct 19, 2000 | SCIENCE
New species emerge faster than previously thought
(BBC) - Salmon in a lake have split into separate species in just 60-70 years.
Aug 03, 1999 | SCIENCE
"Sloppy copy" discovery sheds light on evolution
(UniSci) - Researchers have established how ultraviolet radiation leads to genetic mutation in a type of bacteria.